/**
 * Created by JetBrains PhpStorm.
 * User: taoqili
 * Date: 12-2-20
 * Time: 上午11:19
 * To change this template use File | Settings | File Templates.
 */

(function() {
  var video = {},
    uploadVideoList = [],
    isModifyUploadVideo = false,
    uploadFile;

  window.onload = function() {
    $focus($G("videoUrl"));
    initTabs();
    initVideo();
    initUpload();
  };

  /* 初始化tab标签 */
  function initTabs() {
    var tabs = $G("tabHeads").children;
    for (var i = 0; i < tabs.length; i++) {
      domUtils.on(tabs[i], "click", function(e) {
        var j,
          bodyId,
          target = e.target || e.srcElement;
        for (j = 0; j < tabs.length; j++) {
          bodyId = tabs[j].getAttribute("data-content-id");
          if (tabs[j] == target) {
            domUtils.addClass(tabs[j], "focus");
            domUtils.addClass($G(bodyId), "focus");
          } else {
            domUtils.removeClasses(tabs[j], "focus");
            domUtils.removeClasses($G(bodyId), "focus");
          }
        }
      });
    }
  }

  function initVideo() {
    createAlignButton(["videoFloat", "upload_alignment"]);
    addUrlChangeListener($G("videoUrl"));
    addOkListener();

    //编辑视频时初始化相关信息
    (function() {
      var img = editor.selection.getRange().getClosedNode(),
        url;
      if (img && img.className) {
        var hasFakedClass = img.className == "edui-faked-video",
          hasUploadClass = img.className.indexOf("edui-upload-video") != -1;
        if (hasFakedClass || hasUploadClass) {
          $G("videoUrl").value = url = img.getAttribute("_url");
          $G("videoWidth").value = img.width;
          $G("videoHeight").value = img.height;
          var align = domUtils.getComputedStyle(img, "float"),
            parentAlign = domUtils.getComputedStyle(
              img.parentNode,
              "text-align"
            );
          updateAlignButton(parentAlign === "center" ? "center" : align);
        }
        if (hasUploadClass) {
          isModifyUploadVideo = true;
        }
      }
      createPreviewVideo(url);
    })();
  }

  /**
   * 监听确认和取消两个按钮事件，用户执行插入或者清空正在播放的视频实例操作
   */
  function addOkListener() {
    dialog.onok = function() {
      $G("preview").innerHTML = "";
      var currentTab = findFocus("tabHeads", "tabSrc");
      switch (currentTab) {
        case "video":
          return insertSingle();
          break;
        case "videoSearch":
          return insertSearch("searchList");
          break;
        case "upload":
          return insertUpload();
          break;
      }
    };
    dialog.oncancel = function() {
      $G("preview").innerHTML = "";
    };
  }

  /**
   * 依据传入的align值更新按钮信息
   * @param align
   */
  function updateAlignButton(align) {
    var aligns = $G("videoFloat").children;
    for (var i = 0, ci; (ci = aligns[i++]); ) {
      if (ci.getAttribute("name") == align) {
        if (ci.className != "focus") {
          ci.className = "focus";
        }
      } else {
        if (ci.className == "focus") {
          ci.className = "";
        }
      }
    }
  }

  /**
   * 将单个视频信息插入编辑器中
   */
  function insertSingle() {
    var width = $G("videoWidth"),
      height = $G("videoHeight"),
      url = $G("videoUrl").value,
      align = findFocus("videoFloat", "name");
    if (!url) return false;
    if (!checkNum([width, height])) return false;
    editor.execCommand(
      "insertvideo",
      {
        url: convert_url(url),
        width: width.value,
        height: height.value,
        align: align
      },
      isModifyUploadVideo ? "upload" : null
    );
  }

  /**
   * 将元素id下的所有代表视频的图片插入编辑器中
   * @param id
   */
  function insertSearch(id) {
    var imgs = domUtils.getElementsByTagName($G(id), "img"),
      videoObjs = [];
    for (var i = 0, img; (img = imgs[i++]); ) {
      if (img.getAttribute("selected")) {
        videoObjs.push({
          url: img.getAttribute("ue_video_url"),
          width: 420,
          height: 280,
          align: "none"
        });
      }
    }
    editor.execCommand("insertvideo", videoObjs);
  }

  /**
   * 找到id下具有focus类的节点并返回该节点下的某个属性
   * @param id
   * @param returnProperty
   */
  function findFocus(id, returnProperty) {
    var tabs = $G(id).children,
      property;
    for (var i = 0, ci; (ci = tabs[i++]); ) {
      if (ci.className == "focus") {
        property = ci.getAttribute(returnProperty);
        break;
      }
    }
    return property;
  }
  function convert_url(url) {
    if (!url) return "";
    url = utils
      .trim(url)
      .replace(
        /v\.youku\.com\/v_show\/id_([\w\-=]+)\.html/i,
        "player.youku.com/player.php/sid/$1/v.swf"
      )
      .replace(
        /(www\.)?youtube\.com\/watch\?v=([\w\-]+)/i,
        "www.youtube.com/v/$2"
      )
      .replace(/youtu.be\/(\w+)$/i, "www.youtube.com/v/$1")
      .replace(
        /v\.ku6\.com\/.+\/([\w\.]+)\.html.*$/i,
        "player.ku6.com/refer/$1/v.swf"
      )
      .replace(
        /www\.56\.com\/u\d+\/v_([\w\-]+)\.html/i,
        "player.56.com/v_$1.swf"
      )
      .replace(
        /www.56.com\/w\d+\/play_album\-aid\-\d+_vid\-([^.]+)\.html/i,
        "player.56.com/v_$1.swf"
      )
      .replace(
        /v\.pps\.tv\/play_([\w]+)\.html.*$/i,
        "player.pps.tv/player/sid/$1/v.swf"
      )
      .replace(
        /www\.letv\.com\/ptv\/vplay\/([\d]+)\.html.*$/i,
        "i7.imgs.letv.com/player/swfPlayer.swf?id=$1&autoplay=0"
      )
      .replace(
        /www\.tudou\.com\/programs\/view\/([\w\-]+)\/?/i,
        "www.tudou.com/v/$1"
      )
      .replace(
        /v\.qq\.com\/cover\/[\w]+\/[\w]+\/([\w]+)\.html/i,
        "static.video.qq.com/TPout.swf?vid=$1"
      )
      .replace(
        /v\.qq\.com\/.+[\?\&]vid=([^&]+).*$/i,
        "static.video.qq.com/TPout.swf?vid=$1"
      )
      .replace(
        /my\.tv\.sohu\.com\/[\w]+\/[\d]+\/([\d]+)\.shtml.*$/i,
        "share.vrs.sohu.com/my/v.swf&id=$1"
      );

    return url;
  }

  /**
   * 检测传入的所有input框中输入的长宽是否是正数
   * @param nodes input框集合，
   */
  function checkNum(nodes) {
    for (var i = 0, ci; (ci = nodes[i++]); ) {
      var value = ci.value;
      if (!isNumber(value) && value) {
        alert(lang.numError);
        ci.value = "";
        ci.focus();
        return false;
      }
    }
    return true;
  }

  /**
   * 数字判断
   * @param value
   */
  function isNumber(value) {
    return /(0|^[1-9]\d*$)/.test(value);
  }

  /**
   * 创建图片浮动选择按钮
   * @param ids
   */
  function createAlignButton(ids) {
    for (var i = 0, ci; (ci = ids[i++]); ) {
      var floatContainer = $G(ci),
        nameMaps = {
          none: lang["default"],
          left: lang.floatLeft,
          right: lang.floatRight,
          center: lang.block
        };
      for (var j in nameMaps) {
        var div = document.createElement("div");
        div.setAttribute("name", j);
        if (j == "none") div.className = "focus";
        div.style.cssText = "background:url(images/" + j + "_focus.jpg);";
        div.setAttribute("title", nameMaps[j]);
        floatContainer.appendChild(div);
      }
      switchSelect(ci);
    }
  }

  /**
   * 选择切换
   * @param selectParentId
   */
  function switchSelect(selectParentId) {
    var selects = $G(selectParentId).children;
    for (var i = 0, ci; (ci = selects[i++]); ) {
      domUtils.on(ci, "click", function() {
        for (var j = 0, cj; (cj = selects[j++]); ) {
          cj.className = "";
          cj.removeAttribute && cj.removeAttribute("class");
        }
        this.className = "focus";
      });
    }
  }

  /**
   * 监听url改变事件
   * @param url
   */
  function addUrlChangeListener(url) {
    if (browser.ie) {
      url.onpropertychange = function() {
        createPreviewVideo(this.value);
      };
    } else {
      url.addEventListener(
        "input",
        function() {
          createPreviewVideo(this.value);
        },
        false
      );
    }
  }

  /**
   * 根据url生成视频预览
   * @param url
   */
  function createPreviewVideo(url) {
    if (!url) return;

    var conUrl = convert_url(url);

    $G("preview").innerHTML =
      '<div class="previewMsg"><span>' +
      lang.urlError +
      "</span></div>" +
      '<embed class="previewVideo" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"' +
      ' src="' +
      conUrl +
      '"' +
      ' width="' +
      420 +
      '"' +
      ' height="' +
      280 +
      '"' +
      ' wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true" >' +
      "</embed>";
  }

  /* 插入上传视频 */
  function insertUpload() {
    var videoObjs = [],
      uploadDir = editor.getOpt("videoUrlPrefix"),
      width = $G("upload_width").value || 420,
      height = $G("upload_height").value || 280,
      align = findFocus("upload_alignment", "name") || "none";
    for (var key in uploadVideoList) {
      var file = uploadVideoList[key];
      videoObjs.push({
        url: uploadDir + file.url,
        width: width,
        height: height,
        align: align
      });
    }

    var count = uploadFile.getQueueCount();
    if (count) {
      $(".info", "#queueList").html(
        '<span style="color:red;">' +
          "还有2个未上传文件".replace(/[\d]/, count) +
          "</span>"
      );
      return false;
    } else {
      editor.execCommand("insertvideo", videoObjs, "upload");
    }
  }

  /*初始化上传标签*/
  function initUpload() {
    uploadFile = new UploadFile("queueList");
  }

  /* 上传附件 */
  function UploadFile(target) {
    this.$wrap = target.constructor == String ? $("#" + target) : $(target);
    this.init();
  }
  UploadFile.prototype = {
    init: function() {
      this.fileList = [];
      this.initContainer();
      this.initUploader();
    },
    initContainer: function() {
      this.$queue = this.$wrap.find(".filelist");
    },
    /* 初始化容器 */
    initUploader: function() {
      var _this = this,
        $ = jQuery, // just in case. Make sure it's not an other libaray.
        $wrap = _this.$wrap,
        // 图片容器
        $queue = $wrap.find(".filelist"),
        // 状态栏，包括进度和控制按钮
        $statusBar = $wrap.find(".statusBar"),
        // 文件总体选择信息。
        $info = $statusBar.find(".info"),
        // 上传按钮
        $upload = $wrap.find(".uploadBtn"),
        // 上传按钮
        $filePickerBtn = $wrap.find(".filePickerBtn"),
        // 上传按钮
        $filePickerBlock = $wrap.find(".filePickerBlock"),
        // 没选择文件之前的内容。
        $placeHolder = $wrap.find(".placeholder"),
        // 总体进度条
        $progress = $statusBar.find(".progress").hide(),
        // 添加的文件数量
        fileCount = 0,
        // 添加的文件总大小
        fileSize = 0,
        // 优化retina, 在retina下这个值是2
        ratio = window.devicePixelRatio || 1,
        // 缩略图大小
        thumbnailWidth = 113 * ratio,
        thumbnailHeight = 113 * ratio,
        // 可能有pedding, ready, uploading, confirm, done.
        state = "",
        // 所有文件的进度信息，key为file id
        percentages = {},
        supportTransition = (function() {
          var s = document.createElement("p").style,
            r =
              "transition" in s ||
              "WebkitTransition" in s ||
              "MozTransition" in s ||
              "msTransition" in s ||
              "OTransition" in s;
          s = null;
          return r;
        })(),
        // WebUploader实例
        uploader,
        actionUrl = editor.getActionUrl(editor.getOpt("videoActionName")),
        fileMaxSize = editor.getOpt("videoMaxSize"),
        acceptExtensions = (editor.getOpt("videoAllowFiles") || [])
          .join("")
          .replace(/\./g, ",")
          .replace(/^[,]/, "");

      if (!WebUploader.Uploader.support()) {
        $("#filePickerReady")
          .after($("<div>").html(lang.errorNotSupport))
          .hide();
        return;
      } else if (!editor.getOpt("videoActionName")) {
        $("#filePickerReady")
          .after($("<div>").html(lang.errorLoadConfig))
          .hide();
        return;
      }

      uploader = _this.uploader = WebUploader.create({
        pick: {
          id: "#filePickerReady",
          label: lang.uploadSelectFile
        },
        swf: "../../third-party/webuploader/Uploader.swf",
        server: actionUrl,
        fileVal: editor.getOpt("videoFieldName"),
        duplicate: true,
        fileSingleSizeLimit: fileMaxSize,
        compress: false
      });
      uploader.addButton({
        id: "#filePickerBlock"
      });
      uploader.addButton({
        id: "#filePickerBtn",
        label: lang.uploadAddFile
      });

      setState("pedding");

      // 当有文件添加进来时执行，负责view的创建
      function addFile(file) {
        var $li = $(
            '<li id="' +
              file.id +
              '">' +
              '<p class="title">' +
              file.name +
              "</p>" +
              '<p class="imgWrap"></p>' +
              '<p class="progress"><span></span></p>' +
              "</li>"
          ),
          $btns = $(
            '<div class="file-panel">' +
              '<span class="cancel">' +
              lang.uploadDelete +
              "</span>" +
              '<span class="rotateRight">' +
              lang.uploadTurnRight +
              "</span>" +
              '<span class="rotateLeft">' +
              lang.uploadTurnLeft +
              "</span></div>"
          ).appendTo($li),
          $prgress = $li.find("p.progress span"),
          $wrap = $li.find("p.imgWrap"),
          $info = $('<p class="error"></p>')
            .hide()
            .appendTo($li),
          showError = function(code) {
            switch (code) {
              case "exceed_size":
                text = lang.errorExceedSize;
                break;
              case "interrupt":
                text = lang.errorInterrupt;
                break;
              case "http":
                text = lang.errorHttp;
                break;
              case "not_allow_type":
                text = lang.errorFileType;
                break;
              default:
                text = lang.errorUploadRetry;
                break;
            }
            $info.text(text).show();
          };

        if (file.getStatus() === "invalid") {
          showError(file.statusText);
        } else {
          $wrap.text(lang.uploadPreview);
          if (
            "|png|jpg|jpeg|bmp|gif|".indexOf(
              "|" + file.ext.toLowerCase() + "|"
            ) == -1
          ) {
            $wrap
              .empty()
              .addClass("notimage")
              .append(
                '<i class="file-preview file-type-' +
                  file.ext.toLowerCase() +
                  '"></i>' +
                  '<span class="file-title">' +
                  file.name +
                  "</span>"
              );
          } else {
            if (browser.ie && browser.version <= 7) {
              $wrap.text(lang.uploadNoPreview);
            } else {
              uploader.makeThumb(
                file,
                function(error, src) {
                  if (
                    error ||
                    !src ||
                    (/^data:/.test(src) && browser.ie && browser.version <= 7)
                  ) {
                    $wrap.text(lang.uploadNoPreview);
                  } else {
                    var $img = $('<img src="' + src + '">');
                    $wrap.empty().append($img);
                    $img.on("error", function() {
                      $wrap.text(lang.uploadNoPreview);
                    });
                  }
                },
                thumbnailWidth,
                thumbnailHeight
              );
            }
          }
          percentages[file.id] = [file.size, 0];
          file.rotation = 0;

          /* 检查文件格式 */
          if (
            !file.ext ||
            acceptExtensions.indexOf(file.ext.toLowerCase()) == -1
          ) {
            showError("not_allow_type");
            uploader.removeFile(file);
          }
        }

        file.on("statuschange", function(cur, prev) {
          if (prev === "progress") {
            $prgress.hide().width(0);
          } else if (prev === "queued") {
            $li.off("mouseenter mouseleave");
            $btns.remove();
          }
          // 成功
          if (cur === "error" || cur === "invalid") {
            showError(file.statusText);
            percentages[file.id][1] = 1;
          } else if (cur === "interrupt") {
            showError("interrupt");
          } else if (cur === "queued") {
            percentages[file.id][1] = 0;
          } else if (cur === "progress") {
            $info.hide();
            $prgress.css("display", "block");
          } else if (cur === "complete") {
          }

          $li.removeClass("state-" + prev).addClass("state-" + cur);
        });

        $li.on("mouseenter", function() {
          $btns.stop().animate({ height: 30 });
        });
        $li.on("mouseleave", function() {
          $btns.stop().animate({ height: 0 });
        });

        $btns.on("click", "span", function() {
          var index = $(this).index(),
            deg;

          switch (index) {
            case 0:
              uploader.removeFile(file);
              return;
            case 1:
              file.rotation += 90;
              break;
            case 2:
              file.rotation -= 90;
              break;
          }

          if (supportTransition) {
            deg = "rotate(" + file.rotation + "deg)";
            $wrap.css({
              "-webkit-transform": deg,
              "-mos-transform": deg,
              "-o-transform": deg,
              transform: deg
            });
          } else {
            $wrap.css(
              "filter",
              "progid:DXImageTransform.Microsoft.BasicImage(rotation=" +
                (~~(((file.rotation / 90) % 4) + 4) % 4) +
                ")"
            );
          }
        });

        $li.insertBefore($filePickerBlock);
      }

      // 负责view的销毁
      function removeFile(file) {
        var $li = $("#" + file.id);
        delete percentages[file.id];
        updateTotalProgress();
        $li
          .off()
          .find(".file-panel")
          .off()
          .end()
          .remove();
      }

      function updateTotalProgress() {
        var loaded = 0,
          total = 0,
          spans = $progress.children(),
          percent;

        $.each(percentages, function(k, v) {
          total += v[0];
          loaded += v[0] * v[1];
        });

        percent = total ? loaded / total : 0;

        spans.eq(0).text(Math.round(percent * 100) + "%");
        spans.eq(1).css("width", Math.round(percent * 100) + "%");
        updateStatus();
      }

      function setState(val, files) {
        if (val != state) {
          var stats = uploader.getStats();

          $upload.removeClass("state-" + state);
          $upload.addClass("state-" + val);

          switch (val) {
            /* 未选择文件 */
            case "pedding":
              $queue.addClass("element-invisible");
              $statusBar.addClass("element-invisible");
              $placeHolder.removeClass("element-invisible");
              $progress.hide();
              $info.hide();
              uploader.refresh();
              break;

            /* 可以开始上传 */
            case "ready":
              $placeHolder.addClass("element-invisible");
              $queue.removeClass("element-invisible");
              $statusBar.removeClass("element-invisible");
              $progress.hide();
              $info.show();
              $upload.text(lang.uploadStart);
              uploader.refresh();
              break;

            /* 上传中 */
            case "uploading":
              $progress.show();
              $info.hide();
              $upload.text(lang.uploadPause);
              break;

            /* 暂停上传 */
            case "paused":
              $progress.show();
              $info.hide();
              $upload.text(lang.uploadContinue);
              break;

            case "confirm":
              $progress.show();
              $info.hide();
              $upload.text(lang.uploadStart);

              stats = uploader.getStats();
              if (stats.successNum && !stats.uploadFailNum) {
                setState("finish");
                return;
              }
              break;

            case "finish":
              $progress.hide();
              $info.show();
              if (stats.uploadFailNum) {
                $upload.text(lang.uploadRetry);
              } else {
                $upload.text(lang.uploadStart);
              }
              break;
          }

          state = val;
          updateStatus();
        }

        if (!_this.getQueueCount()) {
          $upload.addClass("disabled");
        } else {
          $upload.removeClass("disabled");
        }
      }

      function updateStatus() {
        var text = "",
          stats;

        if (state === "ready") {
          text = lang.updateStatusReady
            .replace("_", fileCount)
            .replace("_KB", WebUploader.formatSize(fileSize));
        } else if (state === "confirm") {
          stats = uploader.getStats();
          if (stats.uploadFailNum) {
            text = lang.updateStatusConfirm
              .replace("_", stats.successNum)
              .replace("_", stats.successNum);
          }
        } else {
          stats = uploader.getStats();
          text = lang.updateStatusFinish
            .replace("_", fileCount)
            .replace("_KB", WebUploader.formatSize(fileSize))
            .replace("_", stats.successNum);

          if (stats.uploadFailNum) {
            text += lang.updateStatusError.replace("_", stats.uploadFailNum);
          }
        }

        $info.html(text);
      }

      uploader.on("fileQueued", function(file) {
        fileCount++;
        fileSize += file.size;

        if (fileCount === 1) {
          $placeHolder.addClass("element-invisible");
          $statusBar.show();
        }

        addFile(file);
      });

      uploader.on("fileDequeued", function(file) {
        fileCount--;
        fileSize -= file.size;

        removeFile(file);
        updateTotalProgress();
      });

      uploader.on("filesQueued", function(file) {
        if (
          !uploader.isInProgress() &&
          (state == "pedding" ||
            state == "finish" ||
            state == "confirm" ||
            state == "ready")
        ) {
          setState("ready");
        }
        updateTotalProgress();
      });

      uploader.on("all", function(type, files) {
        switch (type) {
          case "uploadFinished":
            setState("confirm", files);
            break;
          case "startUpload":
            /* 添加额外的GET参数 */
            var params =
                utils.serializeParam(editor.queryCommandValue("serverparam")) ||
                "",
              url = utils.formatUrl(
                actionUrl +
                  (actionUrl.indexOf("?") == -1 ? "?" : "&") +
                  "encode=utf-8&" +
                  params
              );
            uploader.option("server", url);
            setState("uploading", files);
            break;
          case "stopUpload":
            setState("paused", files);
            break;
        }
      });

      uploader.on("uploadBeforeSend", function(file, data, header) {
        //这里可以通过data对象添加POST参数
        header["X_Requested_With"] = "XMLHttpRequest";
      });

      uploader.on("uploadProgress", function(file, percentage) {
        var $li = $("#" + file.id),
          $percent = $li.find(".progress span");

        $percent.css("width", percentage * 100 + "%");
        percentages[file.id][1] = percentage;
        updateTotalProgress();
      });

      uploader.on("uploadSuccess", function(file, ret) {
        var $file = $("#" + file.id);
        try {
          var responseText = ret._raw || ret,
            json = utils.str2json(responseText);
          if (json.state == "SUCCESS") {
            uploadVideoList.push({
              url: json.url,
              type: json.type,
              original: json.original
            });
            $file.append('<span class="success"></span>');
          } else {
            $file
              .find(".error")
              .text(json.state)
              .show();
          }
        } catch (e) {
          $file
            .find(".error")
            .text(lang.errorServerUpload)
            .show();
        }
      });

      uploader.on("uploadError", function(file, code) {});
      uploader.on("error", function(code, file) {
        if (code == "Q_TYPE_DENIED" || code == "F_EXCEED_SIZE") {
          addFile(file);
        }
      });
      uploader.on("uploadComplete", function(file, ret) {});

      $upload.on("click", function() {
        if ($(this).hasClass("disabled")) {
          return false;
        }

        if (state === "ready") {
          uploader.upload();
        } else if (state === "paused") {
          uploader.upload();
        } else if (state === "uploading") {
          uploader.stop();
        }
      });

      $upload.addClass("state-" + state);
      updateTotalProgress();
    },
    getQueueCount: function() {
      var file,
        i,
        status,
        readyFile = 0,
        files = this.uploader.getFiles();
      for (i = 0; (file = files[i++]); ) {
        status = file.getStatus();
        if (status == "queued" || status == "uploading" || status == "progress")
          readyFile++;
      }
      return readyFile;
    },
    refresh: function() {
      this.uploader.refresh();
    }
  };
})();
